lab DTTBUTE Ericsson Hungary Ltd KOVAX 95 Ltd

lab DTT/BUTE, Ericsson Hungary Ltd. , KOVAX’ 95 Ltd. Voice over IP (Vo. IP) Management IKTA 5 -092/2002 March 2003 – April 2004 by Department of Telecommunications and Telematics Budapest University of Technology and Economics Ericsson Hungary Ltd. and KOVAX’ 95 Ltd. http: //w 3. ttt. bme. hu/ikta-voip May, 2003 IKTA 5 -092/2002 ~ http: //w 3. ttt. bme. hu/ikta-voip

Dept. of Telecom. & Telematics/BUTE, Ericsson Hungary Ltd. , KOVAX’ 95 Ltd. 1. The Consortium Coordinator: Department of Telecommunications and Telematics, Budapest University of Technology and Economics, Budapest Home page: Project leader: Team leader: http: //www. ttt. bme. hu Dr. Tamás Henk Róbert Szabó, Ph. D. Consortium member(s): Ericsson Telecommunications Ltd. , Budapest Home page: Team leader: http: //www. ericsson. hu Gábor Magyar, Ph. D. KOVAX’ 95 Ltd. Team leader: May, 2003 József Kovács IKTA 5 -092/2002 ~ http: //w 3. ttt. bme. hu/ikta-voip 2

Dept. of Telecom. & Telematics/BUTE, Ericsson Hungary Ltd. , KOVAX’ 95 Ltd. 2. Background Convergence of traditional and TCP/IP systems Integrated voice and data networks Cost saving Value added services Mobile communication. . . TCP/IP systems Planning Problematic: best-effort approach, without service guarantees Operation and maintenance (OAM) Service level monitoring is missing Lack of management systems Lack of high availability May, 2003 IKTA 5 -092/2002 ~ http: //w 3. ttt. bme. hu/ikta-voip 3

Dept. of Telecom. & Telematics/BUTE, Ericsson Hungary Ltd. , KOVAX’ 95 Ltd. 3. Project Goals Research and development of a Vo. IP management system with FAULT management PERFORMANCE management and CONFIGURATION and OPTIMIZATION for integrated packet networks May, 2003 IKTA 5 -092/2002 ~ http: //w 3. ttt. bme. hu/ikta-voip 4

Dept. of Telecom. & Telematics/BUTE, Ericsson Hungary Ltd. , KOVAX’ 95 Ltd. 3. 1. 1 Fault Management Objectives: Semi automated fault discovery Semi automated fault recovery Fault tracking Decision making Help. Desk support Telephone Lotus Notes Direction Web form Change Management Event and workflow handling Fault Repair Knowledge-base, decision support Analysis Fault detection Network device rec. Inventory Database May, 2003 IKTA 5 -092/2002 ~ http: //w 3. ttt. bme. hu/ikta-voip 5

Dept. of Telecom. & Telematics/BUTE, Ericsson Hungary Ltd. , KOVAX’ 95 Ltd. 3. 1. 2 Fault Management Algorithm based fault-recovery mechanism Detection -> Analysis -> Solution proposal Value added part Intelligent root-cause analysis Device-close solution proposal (based on knowledge-base of the managed devices Fault detection Analysis Knowledge-base, decision support Network May, 2003 IKTA 5 -092/2002 ~ http: //w 3. ttt. bme. hu/ikta-voip 6

Dept. of Telecom. & Telematics/BUTE, Ericsson Hungary Ltd. , KOVAX’ 95 Ltd. 3. 2. 1 Performance Management Objectives Connection admission control Traffic engineering and traffic management Co-dec selection and traffic aggregation Centralized resource management architecture: Bandwidth Broker 1 Radius server Gateway Bandwidth Broker 2 May, 2003 IKTA 5 -092/2002 ~ http: //w 3. ttt. bme. hu/ikta-voip 7

Dept. of Telecom. & Telematics/BUTE, Ericsson Hungary Ltd. , KOVAX’ 95 Ltd. 3. 2. 2 Performance Management – Project flowchart Vo. IP traffic measurement Qo. S Routing and LB Inter-domain cont. Trace files and statistics Code Vo. IP traffic modeling Parametrization Preparing traffic generator and analyzis of voice quality Code BB specification Simulations Code and doc. Simulations BB prototype Analyzis and development of CAC algorithms Performance analysis May, 2003 IKTA 5 -092/2002 ~ http: //w 3. ttt. bme. hu/ikta-voip 8

Dept. of Telecom. & Telematics/BUTE, Ericsson Hungary Ltd. , KOVAX’ 95 Ltd. 3. 3 Configuration and Optimization Objective: Resource management and optimization Optimal aggregation of Vo. IP traffic VPN for Vo. IP Network Design Dimensioning May, 2003 Optimization Protection IKTA 5 -092/2002 ~ http: //w 3. ttt. bme. hu/ikta-voip 9

Dept. of Telecom. & Telematics/BUTE, Ericsson Hungary Ltd. , KOVAX’ 95 Ltd. 4. Expected Results Scientific publications Influence on the education Methods and algorithms Knowledge bases; decision support Quality of service improvement Fault management prototype Bandwidth broker research prototype Algorithm repository and GUIs May, 2003 IKTA 5 -092/2002 ~ http: //w 3. ttt. bme. hu/ikta-voip 10

Dept. of Telecom. & Telematics/BUTE, Ericsson Hungary Ltd. , KOVAX’ 95 Ltd. 5. 1 Partner: DTT/BUTE Department of Telecom. & Telematics, Budapest University of Techn. & Economics Established in 1991 High Speed Networks Laboratory Cross departments cooperation 11 research groups Traffic modeling and performance Network optimization Multimedia systems and services Quality of service Mobile communications Security, protocol design and testing, etc. . . May, 2003 IKTA 5 -092/2002 ~ http: //w 3. ttt. bme. hu/ikta-voip 11

Dept. of Telecom. & Telematics/BUTE, Ericsson Hungary Ltd. , KOVAX’ 95 Ltd. 5. 2 Partner: Ericsson Hungary Ltd. Research @ Traffic Lab Large scale IP network configuration management Network dimensioning Network planning and Traffic engineering Traffic modeling IP mobility Real-time routing Measurement based admission control Network performance measurements May, 2003 IKTA 5 -092/2002 ~ http: //w 3. ttt. bme. hu/ikta-voip 12

Dept. of Telecom. & Telematics/BUTE, Ericsson Hungary Ltd. , KOVAX’ 95 Ltd. Partner (3/3): KOVAX’ 95 Ltd. Established in 1995 Objectives To realize a competitive development team able to handle mammoth projects Strength Development of high performance management systems References Matáv, a Hungarian Teleco. , help desk and change management system May, 2003 IKTA 5 -092/2002 ~ http: //w 3. ttt. bme. hu/ikta-voip 13

Dept. of Telecom. & Telematics/BUTE, Ericsson Hungary Ltd. , KOVAX’ 95 Ltd. Summary Project: Schedule: Consortium: IKTA 5 -092/2002 Voice over IP (Vo. IP) Management March 2003 – April 2004 Dept. of Telecom. & Telematics, BUTE Ericsson Hungary Ltd. KOVAX’ 95 Ltd. Contact us: http: //w 3. ttt. bme. hu/ikta-voip Dr. Tamás Henk <henk@ttt-atm. ttt. bme. hu> H-1117 Budapest, Magyar Tudósok krt. 2. Tel. : (36 -1)-463 -4187 May, 2003 IKTA 5 -092/2002 ~ http: //w 3. ttt. bme. hu/ikta-voip 14